819  
FXUS65 KBYZ 141905  
AFDBYZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BILLINGS MT  
105 PM MDT SUN JUN 14 2026  
   
KEY MESSAGES  
 
 
- WARMING AND MOSTLY DRY CONDITIONS THROUGH TUESDAY. LOW SHOWER  
CHANCES, MAINLY OVER THE FAR EAST.  
 
- BREEZY WEST TO NORTHWEST WINDS FOR TUESDAY AND WEDNESDAY.  
 
- COLD FRONT BRINGS A COOL DOWN AND LOW TO MODERATE  
SHOWER/THUNDERSTORM CHANCES, MAINLY FOR NORTHERN AND EASTERN  
AREAS WEDNESDAY.  
 
 
   
DISCUSSION  
 
THROUGH SATURDAY...  
 
CONDITIONS TREND WARMER AND DRIER INTO TUESDAY AS THE AREA  
REMAINS SITUATED UNDER NORTHWEST FLOW ALOFT, WITH RIDGING TO THE  
WEST, AND UPPER TROUGHING TO THE EAST. OCCASIONAL WEAK WAVES WILL  
DROP THROUGH THE PERIPHERY OF THE AREA BRINGING ISOLATED SHOWER  
AND WEAK THUNDERSTORM CHANCES, MAINLY FOR EAST/NORTHEAST AREAS.  
BREEZY WINDS WILL BE FOUND OVER THE EAST ON MONDAY, WITH NORTHWEST  
WIND GUSTS OF 20-40 MPH EXPECTED, STRONGEST NEAR THE DAKOTAS  
BORDER. WINDS INCREASE ON TUESDAY, AHEAD OF A STRONGER SHORTWAVE  
EXPECTED TO DROP INTO THE REGION TUESDAY NIGHT/WEDNESDAY.  
WESTERLY WINDS WILL BE STRONGEST OVER THE WESTERN FOOTHILLS  
TUESDAY, WITH LESSER WINDS TO THE EAST. THERE ARE CURRENTLY  
MODERATE PROBABILITIES FOR WIND GUSTS TO 50 MPH ALONG THE WESTERN  
FOOTHILLS. AS THE AFOREMENTIONED WAVE AND ASSOCIATED COLD FRONT  
DROP THROUGH THE REGION TUESDAY NIGHT/WEDNESDAY, BREEZY NORTHWEST  
WINDS ARE EXPECTED TO SPREAD OVER THE ENTIRE AREA, STRONGEST OVER  
THE FAR EAST AND DOWN ALONG THE EAST SIDE OF THE BIGHORNS  
(MODERATE CHANCE OF WIND GUSTS TO 50 MPH). WIND HIGHLITES ARE NOT  
ANTICIPATED FOR TUESDAY OR WEDNESDAY AT THIS TIME, THOUGH IT IS  
SOMETHING TO MONITOR. COOLER CONDITIONS CAN BE EXPECTED FOR  
WEDNESDAY BEHIND THE FRONT, ALONG WITH A BETTER POTENTIAL FOR  
SHOWERS/THUNDERSTORMS (20-60% CHANCE) INTO WEDNESDAY NIGHT, MAINLY  
FOR NORTHERN AND EASTERN AREAS.  
 
OCCASIONAL PIECES OF ENERGY WILL CONTINUE TO MOVE THROUGH  
NORTHWEST FLOW THROUGH THE END OF THE WORK WEEK, ALLOWING  
ISOLATED AFTERNOON/EVENING SHOWERS AND THUNDERSTORMS TO CONTINUE  
(20% OR LESS CHANCE). ENSEMBLES CONTINUE TO INDICATE UPPER  
TROUGHING WILL MOVE ONTO THE WEST COAST FRIDAY INTO SATURDAY, WITH  
SOUTHWEST FLOW DEVELOPING OVER THE NORTHERN ROCKIES. THIS WOULD  
BRING A BETTER POTENTIAL FOR DAILY THUNDERSTORMS OVER THE UPCOMING  
WEEKEND WITH SHORTWAVES LIFTING INTO THE REGION AND PLAINS  
MOISTURE ADVECTING INTO THE AREA.  
 
HIGH TEMPERATURES ARE FORECAST TO RANGE FROM THE 70S TO LOWER 80S  
MONDAY, TO THE 80S TUESDAY. TEMPERATURES COOL DOWN TO NEAR NORMAL  
WEDNESDAY THROUGH SATURDAY WITH HIGHS IN THE 70S TO NEAR 80  
DEGREES. STP  
   
AVIATION  
 
SCATTERED SHOWERS ARE EXPECTED TO MOVE INTO EAST CENTRAL MT MONDAY  
MORNING AFTER 12Z. GUSTY W TO NW WINDS ARE ALSO EXPECTED WITH  
GUSTS 25-35 KTS FORECAST ACROSS SOUTHEAST MT AND NORTH CENTRAL WY  
MONDAY AFTERNOON. TS  
 
 
   
PRELIMINARY POINT TEMP/POPS  
 
MON TUE WED THU FRI SAT SUN  
-----------------------------------------------------------  
BIL 047/079 055/087 058/074 050/078 052/084 057/076 055/074  
00/B 00/N 01/N 00/U 00/B 13/T 44/T  
LVM 041/077 049/086 051/074 043/079 046/083 049/072 046/071  
00/B 00/N 00/N 10/U 00/B 16/T 55/T  
HDN 043/078 051/088 055/073 047/077 049/083 054/077 052/074  
01/B 00/N 12/T 10/U 00/B 13/T 44/T  
MLS 049/076 052/085 056/071 048/074 049/080 054/075 053/073  
02/W 21/B 34/T 11/B 00/B 12/T 44/T  
4BQ 046/074 051/084 057/070 048/073 049/081 055/074 053/070  
01/B 00/B 13/T 11/U 00/U 23/T 55/T  
BHK 046/073 046/079 050/067 043/070 043/076 048/073 048/070  
02/W 22/W 66/T 22/T 10/U 02/W 44/T  
SHR 038/073 046/084 054/070 042/074 045/081 050/075 048/069  
00/N 00/U 11/N 01/U 00/B 16/T 78/T  
 
 
   
BYZ WATCHES/WARNINGS/ADVISORIES  
 
MT...NONE.  
WY...NONE.  
 
 
 
 
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